Following large-scale auditor consolidations in the late 1980s and early 1990s, along with Arthur Andersen's collapse in 2001, the global audit market has become highly concentrated during the past 30 years. Many interested parties, including regulators, researchers, and practitioners, disagree...

This study explores audit implications of shared leadership in client firms. Shared leadership via co-CEO appointments may lead to either suboptimal or optimal managerial decisions, depending on the conflicting or complementary dynamics between multiple CEOs. Analyzing data from 2002 to 2013 of...